0 1 2 3 Thu 07 Dec 1978 Fri 15 Dec 1978 Sat 23 Dec 1978 Sun 31 Dec 1978 Mon 08 Jan 1979 Tue 16 Jan 1979 Wed 24 Jan 1979 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