Total sleep time (TST) is the duration of the sleep that occurs during a sleep cycle or during a designated duration such as 24 hours. This measurement includes only time sleeping and not awakenings or the time before sleep onset.
Total sleep time (TST) is the duration of the sleep that occurs during a sleep cycle or during a designated duration such as 24 hours. This measurement includes only time sleeping and not awakenings or the time before sleep onset.