Diet & Supplements

Tips for Minimizing Caffeine's Negative Effects on Sleep

Caffeine could be keeping many of us awake at night because its effects are more long-lasting than we realize. Experts recommend cutting off the caffeine seven hours before bedtime. Here are some tips for caffeine use.

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How should I reduce my daily caffeine?

 

Many people will use excessive amounts of caffeine in the morning and then, as that beings to wear off in the middle of the afternoon, they start to crash and come down off of the stimulant, and might be sleepier than they would be otherwise. This crash often leads to more caffeine - which may lead to worsen sleep at night and people get into a vicious cycle.

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How much is a serving of caffeine?

A serving of caffeine is 50mg; what that looks like once you get it into the cup can be a little tricky.  Below are general caffeine levels across common foods, beverages, and medications to help determine daily caffeine consumption.

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How to Relax When Tired but Wired

 

It can take several days, if not weeks, to recover from a spell of sleeplessness. Keep in mind that habitual good sleeping is the best way to recover sleep and start feeling balanced again. Relax and give yourself time to recoup your "sleep debt," which are the hours of sleep lost that must be repaid.

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Can Linden Tea affect my sleep?

 

Tilo, a tea made from the flowers of trees in the Linden genus, is well-known for its soothing effect. Naturally-occurring compounds in Linden tea trigger the benzodiazepine receptors in the brain, which are the same class of receptors targets by modern pharmaceutical-grade hypnotics such as Valium. As such it's still listed in the German Pharmacopoeia for treating anxiety and insomnia.

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The 3 Rules of Deep Sleep

Okay, so you're not happy with your sleep. Specifically, you're not happy with the amount of Deep Sleep you get.

Every day, you wake up wanting more.

 

Where's the Deep?

7 Ways to Improve Your Sleep Tonight

 

Be honest: How many times have you had that extra drink at night or that soda in the afternoon?

Didn’t get that walk in like you said you would? Suffered though a night of pain instead of talking with your doctor to help find a solution?

We’ve all done these things more than we’d like to admit–but hey, what’s the worse that could happen?

You will screw with your sleep, that’s what.

You’ll deprive your body of its necessary building blocks and guarantee that it will under-perform.

The worse part is that you’ll think this is normal. Like being drunk, you won’t even recognize it until it’s too late.

To help you out, I’m going to share with you 7 things that you can to today to sleep better tonight. I’m going to give you actual sleep data and resources to show you how effective these tips are. And I’m going to encourage you the whole way through.

A little change goes a long way, especially in the sleep department.

Ready? Let’s go.

 

7 Steps to Sleep Fitness

 

1. Skip the caffeine. You think you can’t feel it? That you fall asleep just fine at night after that afternoon soda? Think again. Caffeine six hours out was as disruptive or more so than caffeine 3 hours before bedtime–especially compared to no caffeine whatsoever.

Drake C, Kick, A Roth T. The effects of caffeine given 0, 3, or 6 hours before bedtime on objective sleep parameters measured in the home. Sleep 2010;33 (Suppl.):A107. Abstract 0306.

2. Quit Drinking after dinner. There’s a reason why your doc says not to have more than 2 drinks/day. This stuff really screws you up on many levels, and your sleep (like your liver) takes a big hit.

As the the drinks go up, the Deep sleep comes down,  The REM takes a beating, ... ...& and Andi@Zeo's ZQ drops by 10 points. Ouch.

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Keith's 4 Simple Steps for Better Sleep

Howdy- I’m Keith, the new guy on the content team.

I’m also a new Zeo user and I love the data I get from it.

I will admit though, that part of this love affair might come from the fact that, every morning, Zeo tells me that I have great sleep.  I didn’t pop a pill or let my body “catch up” after short-changing it. I did this all through simple, easy to follow actions–and I’m going to share my formula with you.

Let’s face it, no one should have to just “deal” with poor sleep and part of my job here at Zeo is to help you all get that better night’s sleep. Let me make one thing clear: This great sleep is the result of small habits and behavior changes done repeatedly for years. True, the steps are easy but if you cheat on them, you’ll pay for it with your sleep.

Step One: Make a (standing) date with your Bed

I go to bed every night at exactly the same time. I mean, okay, it might not always be exactly the same time, but it’s awfully close. I usually start getting ready for bed around 9:15pm and it’s lights out not too long after. My girlfriend’s not crazy about that, but I make a point of reassuring her that it’s me who needs to go to bed that early, not her. 

A steady bedtime--though like most, I too, was guilty of "shifting bed time" one weekend

To help keep that bedtime, I don’t drink caffeine and I rarely drink alcohol–maybe a beer or two on the weekend but that’s it. I do go to parties, but I’m more a fan of the afternoon affairs so that I can keep my bedtime. Again, 9:15pm is certainly early for some, but keeping the same bedtime and risetime–even on the weekends–goes a long way towards sleep improvement.

Step Two: Turn your Bedroom into a Cave

Years ago, I discovered two wonderful things that help me get great sleep: light-blocking curtains and a fan. The light-blocking curtains keep the room as dark as possible, allowing my melatonin to kick in and sending me off to dreamland. The fan, on the other hand, has two purposes: to keep things nice and cool – even in the winter - to cancel out all other noise. Basically, I turn my bedroom into a sensory deprivation chamber every night and it works like a dream. I hardly ever wake up during the night, except to use the bathroom.

Step Three: Add an Exercise Routine to the Mix

For almost 7 years now, I’ve been exercising for about an hour and a half to 2 hours a day, 5 to 6 days a week. I’m pretty convinced that it’s the world’s greatest–and most overlooked–sleeping pill. As soon as I get up in the morning, boom, I go to the gym. Even better? A recent study shows that exercising during the morning leads to better sleep than exercising at night.

Step Four: Shake, Strain, then Serve Night after Night

Okay, I can hear you rolling your eyes over there. So what’s the payoff for all of this?

An average ZQ of 97. A recent “bad” night for me was less than 8 hours long and got me a ZQ of 94. Andi@Zeo said that was sick, but I think she’s just jealous. (Editor’s note: Dang right I am!)

What this means is that, night after night, I can count on:

  • 1 1/2 -2 hours of Deep sleep
  • 2-3 hours of REM sleep
  • 3-4 hours of Light sleep
  • less than 2 wake-ups each night

I do everything in my power to ensure that I sleep like a (32 year old) baby–and it’s great to see that it pays off.

My question to you is, now that you know some of my secrets, what are you going to do differently tonight and tomorrow?

How the Other Person Sleeps

This story comes from Seth Roberts, a professor of psychology at Tsinghua University in Beijing and a self-tracking champ. Recently, Seth went to a Quantified Self Meet-Up, saw a presentation by a Zeo user, and wrote this post as a result.  He blogs about his and others' experiments at blog.sethroberts.net 

 

Christine Peterson's poster of her Zeo research (download poster) was one of the highlights of the QS conference for me, as I said in an earlier post:

She measured her sleep with a Zeo for three months. Her poster showed how various things, such as caffeine consumption, correlated with sleep measurements, such as REM time. I believe the most important Zeo measurement is how long you are awake during the night. ... Christine's data showed a strong correlation between her score on Zeo's Sleep Stealer's index (...) and how long she was awake at night. With a high score, she was awake twice as long (about 1.5 hours) as with a low score.

Here's why.

The correlation between Sleep Stealer score and time awake.

When her Sleep Stealer score was 5 or less, she was awake about an hour during the night.

When her score was more than 5, she was awake about two hours - a big difference. There should be a big difference, but you could fail to see it for a thousand reasons. The large difference is a validation of the whole thing - above all, an indication that her Zeo is working correctly.

                                                          C Peterson - Total Z v Sleep Stealers                        

Even when her Sleep Stealer score is low, she is awake a long time.

This means there are major determinants of sleep depth not captured by the Sleep Stealer score. With the right Sleep Stealer score - assuming the correlation reflects cause and effect - she can improve from two hours to one hour (one hour difference) but that leaves one hour. This implies that the determinants of time awake not in the Sleep Stealer score are just as important as those that it contains.

Even when she is at the best level of important factors, she is awake a long time.

When she had no drinks, she was awake 56 minutes/night.  When other people didn't disrupt her sleep at all, she was awake 54 minutes/night. C Peterson -Time in Wake v Alcohol

C Peterson - Time in Wake v Disruption

The average wake time for women 50-59 is half an hour.

That's a lot of lost time, day after day, night after night. Note however that the data is from Zeo users, who may have worse sleep than average.  (Editor's note: see What's Your ZQ for more information about Zeo users' sleep quality)                                                                                              

It only took three months to collect the data.

This isn't on the poster. Yet this is a solid contribution, in the sense that I learned from it. With perhaps nine months of data and better data analysis, it might be publishable.

The main point such a paper would presumably make is that even when you do everything right (Sleep Stealer score = 0) you're still awake a lot. This point is nowhere in the sleep literature.

Seth's advice for better sleep

Christine, if you would like to sleep better I suggest:

  1. Don't eat breakfast until at least three hours after you wake up.
  2. Get at least one hour of sunlight early in the morning - e.g., 6 to 7 am. You can do this by working outside.  (I work outside several hours every morning.)
  3. Stand on one leg to exhaustion four or more times per day. (I do it six times/day.) You can do this while reading - it should not reduce your free time.

3 Questions to Boost Your Sleep IQ

I have a confession to make:  Sleep is not as black and white as we think it is.

Another confession:  What appear to be reasonable questions--with easy answers!--turn out to be far more complex than a simple "yes/no." 

Even the basic question "why do we sleep" has no clear-cut answer.  We here at Zeo are adult enough to admit that sleep science doesn't know everything, but we can explain why this is the case--as well as answer 3 questions every Zeo user asks.

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