0 1 2 3 Tue 20 Dec 1955 Fri 23 Dec 1955 Mon 26 Dec 1955 Thu 29 Dec 1955 Sun 01 Jan 1956 Wed 04 Jan 1956 Sat 07 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