0 1 2 3 Thu 21 Dec 1961 Thu 28 Dec 1961 Thu 04 Jan 1962 Thu 11 Jan 1962 Thu 18 Jan 1962 Thu 25 Jan 1962 Thu 01 Feb 1962 Thu 08 Feb 1962 Mon 12 Feb 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