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Non-rapid eye movement (NREM) sleep

Non-rapid eye movement (NREM) sleep - Cardiovascular function
• Physiological Basis of Sleep and Wakefulness • • Non-rapid eye movement (NREM) sleep • Aug 21 07

Even before the onset of NREM sleep the heart rate falls in parallel with the reduction in body temperature and is related to the fall in metabolic rate. Vasodilatation…


 

Non-rapid eye movement (NREM) sleep - Genito-urinary function
• Physiological Basis of Sleep and Wakefulness • • Non-rapid eye movement (NREM) sleep • Aug 21 07

Genito-urinary function
There is considerable diurnal variation in renal function. Water and sodium are retained at night and of the 1–2l of urine that is normally excreted…


 

Non-rapid eye movement (NREM) sleep - Gastrointestinal function
• Physiological Basis of Sleep and Wakefulness • • Non-rapid eye movement (NREM) sleep • Aug 21 07

Less saliva is produced during sleep than during wakefulness, possibly partly related to a reduction in oromotor activity, but the volume is similar in NREM and REM sleep. The…


 

Non-rapid eye movement (NREM) sleep - Respiratory function
• Physiological Basis of Sleep and Wakefulness • • Non-rapid eye movement (NREM) sleep • Aug 21 07

The minute ventilation falls (1.23) and the arterial Pco2  rises by 2–3mmHg. The stage of NREM sleep oscillates frequently at sleep onset and the threshold for carbon dioxide to…


 
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