0 1 2 3 Fri 08 Dec 1961 Tue 12 Dec 1961 Sat 16 Dec 1961 Wed 20 Dec 1961 Sun 24 Dec 1961 Thu 28 Dec 1961 Mon 01 Jan 1962 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