0 1 2 3 Sat 01 Aug 1981 Tue 04 Aug 1981 Fri 07 Aug 1981 Mon 10 Aug 1981 Thu 13 Aug 1981 Sun 16 Aug 1981 Wed 19 Aug 1981 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All