0 1 2 3 Thu 31 Jul 1975 Fri 08 Aug 1975 Sat 16 Aug 1975 Sun 24 Aug 1975 Mon 01 Sep 1975 Tue 09 Sep 1975 Wed 17 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