0 1 2 3 Mon 21 Jan 1952 Sat 26 Jan 1952 Thu 31 Jan 1952 Tue 05 Feb 1952 Sun 10 Feb 1952 Fri 15 Feb 1952 Wed 20 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