0 1 2 3 Fri 12 Dec 1958 Thu 01 Jan 1959 Sun 01 Feb 1959 Sun 01 Mar 1959 Thu 12 Mar 1959 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