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. 2021 Mar 25;4:404. doi: 10.1038/s42003-021-01854-3

Table 2.

Sleep stage data (means).

TWT TST Stage 1 Stage 2 SWS REM
REM group
Duration (min) 32.27 (44.94) 432.93 (63.30) 21.80 (7.31) 237.83 (42.13) 101.27 (22.65) 72.03 (26.10)
% TST 5.03 54.93 23.39 16.64
SWS group
Duration (min) 16.08 (2.03) 475.63 (32.8) 23.29 (10.03) 252.18 (47.43) 116.63 (29.18) 83.53 (20.72)
% TST 4.9 53.02 24.52 17.56

Duration of time [in minutes and as a percentage of total sleep time (TST)] spent in each sleep stage is shown. TWT total wake time, TST total sleep time, SWS slow-wave sleep, N = 18; REM rapid-eye movement sleep, N = 15. Means are shown ± standard deviation.