0 1 2 3 Tue 20 Dec 1955 Wed 28 Dec 1955 Thu 05 Jan 1956 Fri 13 Jan 1956 Sat 21 Jan 1956 Sun 29 Jan 1956 Mon 06 Feb 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