0 1 2 3 Tue 17 Aug 1971 Fri 20 Aug 1971 Mon 23 Aug 1971 Thu 26 Aug 1971 Sun 29 Aug 1971 Wed 01 Sep 1971 Sat 04 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