0 1 2 3 Thu 31 Jul 1975 Thu 07 Aug 1975 Thu 14 Aug 1975 Thu 21 Aug 1975 Thu 28 Aug 1975 Thu 04 Sep 1975 Thu 11 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