0 1 2 3 Sun 05 Feb 1978 Wed 08 Feb 1978 Sat 11 Feb 1978 Tue 14 Feb 1978 Fri 17 Feb 1978 Mon 20 Feb 1978 Thu 23 Feb 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