0 1 2 3 Tue 20 Dec 1955 Sun 25 Dec 1955 Fri 30 Dec 1955 Wed 04 Jan 1956 Mon 09 Jan 1956 Sat 14 Jan 1956 Thu 19 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