0 1 2 3 Mon 25 Dec 1961 Mon 01 Jan 1962 Thu 01 Feb 1962 Thu 01 Mar 1962 Sat 24 Mar 1962 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