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17

Increasing deep sleep

I have a sleep analyzer and I typically observe that I get a lot of REM sleep (~30% of total sleep) but my deep sleep is often low (~10%). Are there any science backed protocols I can use to specifically increase my deep sleep? Secondly, is this high level of REM and lower level of deep sleep likely to cause any health issues?

2

A substance to remove the effects of caffeine

This may be a stupid question. In the past you have discussed caffeine may times. From this I have wondered why is there no substance that can remove caffeine from the adenosine receptor to reduce its effects?

11

Fermented apple cider vinegar

Which of the proclaimed benefits of ingesting 25ml a day of fermented apple cider vinegar are science backed?

3

Meal quantity and timing before sleep

What quantity of food and how long before sleep is detrimental to sleep quality?

4

Eating fat close to sleep

Is it true that eating a high quantity of fat before sleep is detrimental to deep sleep? (E.g., eating nuts etc)