Why do we sleep?
energy conservation
functional recovery of brain
protection
regulation of our immune system
memory consolidation.
Origin of sleep
hypnotoxins - supposed hormones produced by brain tissue and inducing sleep
sleep – inner inhabition (I. Pavlov)
sleep center in our brain (V. Hess)
sleep – regulated by cerebral cortex and hypothalamous (P. Anohin)
Stage 1 - light sleep when the eyes move slowly and muscle activity slows
Stage 2 - eye movement stops, breathing becomes regular and brain waves become slower with only an occasional burst of rapid brain waves
Stages 3 and 4 (deep sleep) – it is difficult to wake someone; this is when some children experience bedwetting, sleepwalking or night terrors.…
Darbā aprakstīta miega izcelsme, miega fāzes, sapņi, teorijas, kādēļ mēs sapņojam, ar miegu saistītas slimības, nepieciešamais miega ilgums. Ir daudz ar miegu saistītas kustīgas bildītes.
