Going to Bed Late Robs You of Deep Sleep

Hinzugefügt: 2026-05-18

[00:00:00]The first half of the night is predominately by slow wave or deep sleep or N3 sleep. These are all synonymous.

[00:00:08]N3, slow wave, deep sleep.

[00:00:11]The latter half of the night is predominately by REM sleep.

[00:00:15]And so if we rob ourselves of the first few hours of sleep assuming someone is a 8:00 p.m. to 4:00 a.m. sleeper, that's their 8-hour window.

[00:00:28]Well, yeah, they're going to rob themselves of more deep sleep.