0 1 2 3 Sun 11 Jul 1971 Sun 01 Aug 1971 Wed 01 Sep 1971 Fri 01 Oct 1971 Sat 09 Oct 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