0 1 2 3 Sat 25 Jul 1981 Wed 29 Jul 1981 Sun 02 Aug 1981 Thu 06 Aug 1981 Mon 10 Aug 1981 Fri 14 Aug 1981 Tue 18 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