0 1 2 3 Wed 04 Dec 1974 Sun 08 Dec 1974 Thu 12 Dec 1974 Mon 16 Dec 1974 Fri 20 Dec 1974 Tue 24 Dec 1974 Sat 28 Dec 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