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Sleep & Recovery · 8 min

Optimizing REM vs deep sleep

Sleep isn't one uniform state, but a series of cycles with distinct phases, each serving its own function. REM sleep and deep sleep are the two most discussed phases, and both are essential for full recovery.

In this article: What it is · How it works · Common myths · Practical tips · When to be careful

Key takeaways

  • Aim for seven to nine hours of sleep for enough full cycles.
  • Avoid alcohol close to bedtime; it suppresses REM sleep.
  • Keep your bedroom cool for more deep sleep.
  • Seek medical help for unusual sleep behavior or persistent fatigue.

Written by Jochem Nohlmans, founder of Somora.

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