0 1 2 3 Tue 03 Dec 1974 Wed 01 Jan 1975 Sat 01 Feb 1975 Sat 01 Mar 1975 Mon 03 Mar 1975 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