sleep stage 1

sleep stage 1

NREMS stage 1 Sleep disorders A stage of NREM sleep that immediately follows the awake state Accounts for 4-5% of total sleep time
References in periodicals archive ?
Nineteen channels EEG, 2 channels horizontal EOG, and 1 channel EMG were recorded in 5 experimental conditions: (a) waking state at daytime, (b) ganzfeld, (c) waking state before sleep onset, (d) sleep stage 1, and (e) sleep stage 2.