0 1 2 3 Sun 11 Dec 1955 Mon 19 Dec 1955 Tue 27 Dec 1955 Wed 04 Jan 1956 Thu 12 Jan 1956 Fri 20 Jan 1956 Sat 28 Jan 1956 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