0 1 2 3 Mon 10 Dec 1973 Sat 15 Dec 1973 Thu 20 Dec 1973 Tue 25 Dec 1973 Sun 30 Dec 1973 Fri 04 Jan 1974 Wed 09 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