0 1 2 3 Thu 25 Dec 1975 Fri 02 Jan 1976 Sat 10 Jan 1976 Sun 18 Jan 1976 Mon 26 Jan 1976 Tue 03 Feb 1976 Wed 11 Feb 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