0 1 2 3 Sun 18 Dec 1960 Fri 23 Dec 1960 Wed 28 Dec 1960 Mon 02 Jan 1961 Sat 07 Jan 1961 Thu 12 Jan 1961 Tue 17 Jan 1961 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