0 1 2 3 Fri 20 Aug 1971 Wed 25 Aug 1971 Mon 30 Aug 1971 Sat 04 Sep 1971 Thu 09 Sep 1971 Tue 14 Sep 1971 Sun 19 Sep 1971 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