0 1 2 3 Fri 19 Dec 1975 Mon 22 Dec 1975 Thu 25 Dec 1975 Sun 28 Dec 1975 Wed 31 Dec 1975 Sat 03 Jan 1976 Tue 06 Jan 1976 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