0 1 2 3 Mon 17 Dec 1951 Mon 24 Dec 1951 Mon 31 Dec 1951 Mon 07 Jan 1952 Mon 14 Jan 1952 Mon 21 Jan 1952 Mon 28 Jan 1952 Mon 04 Feb 1952 Mon 11 Feb 1952 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