0 1 2 3 Fri 10 Dec 1954 Wed 15 Dec 1954 Mon 20 Dec 1954 Sat 25 Dec 1954 Thu 30 Dec 1954 Tue 04 Jan 1955 Sun 09 Jan 1955 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