0 Hz recorded in the electroencephalogram EEG during nonrapid eye movement NREM sleep declines across a sleep period but increases as wakefulness is extended Borbely 1982 priligy online pharmacy Ответить
0 Hz recorded in the electroencephalogram EEG during nonrapid eye movement NREM sleep declines across a sleep period but increases as wakefulness is extended Borbely 1982 priligy online pharmacy