0 1 2 3 Tue 10 May 1977 Wed 01 Jun 1977 Fri 01 Jul 1977 Mon 01 Aug 1977 Mon 08 Aug 1977 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