Reestablishment of individual sleep structure during a single 14-h recovery sleep episode after 58 h of wakefulness
2017
Sleep structure is highly stable within individuals but different between
individuals. The present study investigated robustness of the individual
sleep structure to extended total sleep deprivation. Seventeen healthy
men spent a baseline night (23:00–07:00 hours), 58 h of sleep deprivation
and a 14-h recovery night (17:00–07:00 hours) in the laboratory.
Intraclass correlation coefficients showed that the agreement between
baseline and recovery with respect to the proportion of the different sleep
stages increased as a function of recovery sleep duration. High values
were reached for most of the sleep stages at the end of 14 h of recovery
sleep (intraclass correlation coefficients between 0.38 and 0.76). If sleep
duration of the recovery night is extended to 14 h, sleep stage
distribution resembles that of a baseline night underlining the robustness
of the individual sleep structure.
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