0 1 2 3 Thu 13 Jul 1978 Fri 21 Jul 1978 Sat 29 Jul 1978 Sun 06 Aug 1978 Mon 14 Aug 1978 Tue 22 Aug 1978 Wed 30 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