0 1 2 3 Wed 19 Dec 1973 Sat 22 Dec 1973 Tue 25 Dec 1973 Fri 28 Dec 1973 Mon 31 Dec 1973 Thu 03 Jan 1974 Sun 06 Jan 1974 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