0 1 2 3 Tue 09 Dec 1952 Fri 12 Dec 1952 Mon 15 Dec 1952 Thu 18 Dec 1952 Sun 21 Dec 1952 Wed 24 Dec 1952 Sat 27 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