0 1 2 3 Tue 19 Aug 1975 Fri 22 Aug 1975 Mon 25 Aug 1975 Thu 28 Aug 1975 Sun 31 Aug 1975 Wed 03 Sep 1975 Sat 06 Sep 1975 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