0 1 2 3 Sun 30 Jul 1978 Fri 04 Aug 1978 Wed 09 Aug 1978 Mon 14 Aug 1978 Sat 19 Aug 1978 Thu 24 Aug 1978 Tue 29 Aug 1978 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