0 1 2 3 Sun 31 Jan 1954 Mon 01 Feb 1954 Mon 01 Mar 1954 Thu 01 Apr 1954 Sat 01 May 1954 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