the initial stage of sleep with low amplitude waves with an irregular frequency. Read sleep stages for clarity.
STAGE 1 SLEEP: "Stage 1 sleep is the early stage of sleep."
Cite this page: N., Sam M.S., "STAGE 1 SLEEP," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/stage-1-sleep/ (accessed February 6, 2023).