0 1 2 3 Thu 22 Dec 1955 Tue 27 Dec 1955 Sun 01 Jan 1956 Fri 06 Jan 1956 Wed 11 Jan 1956 Mon 16 Jan 1956 Sat 21 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