0 1 2 3 Sun 03 Feb 1952 Fri 08 Feb 1952 Wed 13 Feb 1952 Mon 18 Feb 1952 Sat 23 Feb 1952 Thu 28 Feb 1952 Tue 04 Mar 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