0 1 2 3 Tue 31 Jan 1967 Wed 01 Feb 1967 Wed 01 Mar 1967 Sat 01 Apr 1967 Mon 01 May 1967 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