Alcohol Ans✓✓✓ Acute Presleep alcohol tends to suppress REM early
in the night which is often followed by REM rebound in the latter
portion for the night as the alcohol is metabolized
Anti-depressants Ans✓✓✓ REM suppression
Anti-depressants Ans✓✓✓ Suppress REM w/tricyclics causing marked
increase in PLMs
atmospheric pressure Ans✓✓✓ 760mm Hg ( Torr)
Benzodiazepines Ans✓✓✓ Any group of chemically similar
psychotropic drugs with potent hypnotic and sedative action
Example : Flurazepam, Triazolam, Temazepam, alprazolam, Quazepam,
Estanzolam, clonazepam,Diazepam
Benzodiazepines Ans✓✓✓ Suppress SWS with no consistent effect on
REM sleep