0 1 2 3 Sat 13 Dec 1952 Tue 16 Dec 1952 Fri 19 Dec 1952 Mon 22 Dec 1952 Thu 25 Dec 1952 Sun 28 Dec 1952 Wed 31 Dec 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