0 1 2 3 Thu 20 Dec 1951 Fri 28 Dec 1951 Sat 05 Jan 1952 Sun 13 Jan 1952 Mon 21 Jan 1952 Tue 29 Jan 1952 Wed 06 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