Expert Answers
What is Zeo Expert Answers? It’s an archive we’re building of questions from our users about sleep stages, sleep science, sleep data and sleep hacking. We set this up because we believe in the power of sharing information–and we believe that our users can help guide us going forward.
3 Steps to Expert Answers
Got a question about sleep? We present three easy ways to find your answer:
- Search our ever-expanding archive below. To minimize scrolling, click on one of the categories.
- Submit a question you’d like to see answered. Once our experts have weighted in, we’ll email you the answer, then post it to the archive. To meet our experts–and see examples of good and bad questions–click here.
- Search all of Zeology using our Lijit Search. Chances are, there’s a blog post that could help you out.
Ready? Then dive into our ever-expanding archive below!
Sleep Stages The Science of Sleep Health, Fitness & Sleep Sleep Hacking
Sleep Stages
Deep
- Could white noise and/or meditation help me get Deep sleep?
- How can I increase my time in Deep Sleep?
- Can sleeping pills increase Deep sleep?
- Why is my Deep Sleep often punctuated by brief awakenings?
- Why do I “feel better” when I get less Deep and REM than more?
REM
- Is it possible to get too much REM Sleep?
- Is it possible for deep meditation to simulate REM sleep?
- Is is unusual to go directly from Wake to REM?
- Is it true that REM sleep is “deeper” than deep sleep?
- Should I try to reduce my REM Sleep?
- What’s the evidence for REM sleep being good for memory?
- What wakes someone from REM sleep?
- Why do I “feel better” when I get less Deep and REM than more?
Light
- How important is Light Sleep?
- Is it beneficial or harmful to get more REM and Deep sleep than Light sleep?
Wake
- Is it possible to have more awakenings than you remember?
- Sometimes I “see things” after coming out of sleep–what is this?
- What is a normal number of awakenings for someone who’s “middle aged”?
The Science of Sleep
Key Sleep Basics
- Can “banking sleep” really prevent tiredness?
- How does our circadian rhythm influence sleep?
- How does light impact the circadian rhythm?
- How long does a “Sleep Debt” last?
- Is it possible to reduce the amount of sleep I need every night?
- What is “Sleep Efficiency?”
- What is stress and how can it affect sleep?
- Why would using light in the morning help one fall asleep in the evening?
Sleep and the Brain
- Are night owls generally more intelligent than other people?
- Are there any associations between insomnia and memory loss?
- Can Sleep Frequencies be detected from all points of the head?
- How can an audio track or white noise help me fall asleep?
- Is it possible to have more awakenings than you remember?
- What is Cognitive Behavioral Therapy for insomnia?
- What kinds of brain activity can Zeo measure?
- What’s the evidence for REM sleep being good for memory?
Sleep Biology
- How have our sleep patterns evolved over time?
- How long does a “Sleep Debt” last?
- What are the physiological differences between 5 and 7 hours of sleep?
Sleep Phenomena
- Can one “cure” sleep paralysis?
- Sometimes I “see things” after coming out of sleep–what is this?
- What can cause the body to “jerk” during sleep?
- Why do I “feel better” when I get less Deep and REM than more?
Zeo Science
- How can I track polyphasic sleep using myZeo?
- How does Zeo compare to traditional sleep tracking methods like PSG?
- How does Zeo score sleep phases less than 2 minutes long?
- How has Zeo been scientifically validated?
- How accurate is Zeo?
- I notice discrepancies when I compare my Zeo data to past PSGs; can you explain this?
- What kinds of brain activity can Zeo measure?
Health, Fitness & Sleep
- Caffeine and Sleep 101
- Can I get a high ZQ and still have poor sleep?
- Can Zeo detect instances of sleep apnea?
- How can I cut back on caffeine without “crashing”?
- How much is a serving of caffeine?
- Is there a correlation between sleep apnea and strokes?
- What is “Morning Feel”?
- What is “Sleep Efficiency”?
Sleep Hacking
Maximizing Sleep Stages
- Can “banking sleep” really prevent tiredness?
- Does making your room completely dark help one to sleep better?
- How can I cut back on caffeine without “crashing”?
- How can I increase my time in Deep Sleep?
- Is it possible to reduce the amount of sleep I need every night?
- In a sleep-restricted environment, what kinds of sleep suffer and what’s the best way to cope?
Relaxation 101
- Any tips for someone who’s overworked, sleep deprived, and feeling anxious?
- How can an audio track or white noise help me fall asleep?
- How can one clear their mind in order to fall asleep?
- What are some good yoga positions to help relax before bed?
- What are the effects of Tilo, or Linden Tea on dreams and sleep quality?
- What can one do to promote good sleep?
- What is Cognitive Behavioral Therapy for insomnia?
Shifting Your Sleep Schedule
- Can a hot or cold bath help me fall asleep?
- Could positional therapy help one deal with sleep apnea?
- How can I adjust my “night owl” schedule to that of an “early bird”?
- How can I train myself to sleep at night instead of during the day?
- Jetlag: Is it better to take a 30-minute power nap or just push through and go to bed early?
- What is the best sleep schedule for people who work rotating shifts?
- What are the risks of polyphasic sleep?
