0 1 2 3 Thu 20 Dec 1951 Tue 25 Dec 1951 Sun 30 Dec 1951 Fri 04 Jan 1952 Wed 09 Jan 1952 Mon 14 Jan 1952 Sat 19 Jan 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