0 1 2 3 Fri 11 Dec 1953 Fri 01 Jan 1954 Mon 01 Feb 1954 Mon 01 Mar 1954 Thu 11 Mar 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