0 1 2 3 Sun 01 Dec 1974 Fri 06 Dec 1974 Wed 11 Dec 1974 Mon 16 Dec 1974 Sat 21 Dec 1974 Thu 26 Dec 1974 Tue 31 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