0 1 2 3 Sun 12 Sep 1971 Wed 15 Sep 1971 Sat 18 Sep 1971 Tue 21 Sep 1971 Fri 24 Sep 1971 Mon 27 Sep 1971 Thu 30 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