0 1 2 3 Mon 20 Dec 1954 Thu 23 Dec 1954 Sun 26 Dec 1954 Wed 29 Dec 1954 Sat 01 Jan 1955 Tue 04 Jan 1955 Fri 07 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