Sleep Architecture: Science of Dreams and Deep Rest
O
OIYO Research TeamContributor
Sleep is Not a Waste of Time
We spend 1/3 of our lives sleeping. During this time, the brain doesn’t just shut off; it activates the ‘Glymphatic System’ which washes away toxic substances (like beta-amyloid) accumulated during the day. cutting sleep is like piling up trash in your brain.
The 4 Stages of Sleep (Sleep Architecture)
Sleep cycles every 90 minutes. It repeats Light Sleep → Deep Sleep (Physical Recovery) → Dream Sleep (REM, Emotional & Memory Processing).
- Deep sleep comes early: The deepest ‘Slow Wave Sleep’ occurs in the early part of sleep. Growth hormones are released and cells regenerate. Thus, you must be asleep between 11 PM and 2 AM.
- Alcohol does not deepen sleep: Alcohol acts as a sedative to help you fall asleep fast, but it destroys sleep architecture, disturbing both deep sleep and REM sleep. You need recovery sleep, not a recovery drink.
O
OIYO Research Team
Research TeamThe OIYO research team structures material from psychometric scales, statistics, and academic literature. We name both the popular framing and its scholarly limits, so each guide works as a tool for reflection rather than a verdict.