Tu SUEÑO pasa por diferentes FASES, ¿lo sabías?

3 Mar 2025 · 1 min
0:45

Spanish-language YouTube short by Oso Trava explaining human sleep phases. The presenter describes relaxation into light sleep (with reduced heart rate and lowered body temperature), progression into deep 'delta' sleep that provides immune, muscular and bone restoration and physical rest, and then REM (MOR) sleep when vivid dreaming and active brain processes consolidate memories, aiding learning, concentration and memory. REM is said to appear about 90 minutes after the start of light sleep and cycles repeat; the presenter recommends measuring your sleep.

Questions this video answers

About 90 minutes after starting light sleep.

Heart rate decreases and body temperature drops.

Immune, muscular and bone restoration; overall physical rest.

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