0 1 2 3 Sat 24 Dec 1955 Wed 28 Dec 1955 Sun 01 Jan 1956 Thu 05 Jan 1956 Mon 09 Jan 1956 Fri 13 Jan 1956 Tue 17 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