0 1 2 3 Thu 29 Dec 1977 Fri 06 Jan 1978 Sat 14 Jan 1978 Sun 22 Jan 1978 Mon 30 Jan 1978 Tue 07 Feb 1978 Wed 15 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