0 1 2 3 Mon 28 Dec 1959 Sat 02 Jan 1960 Thu 07 Jan 1960 Tue 12 Jan 1960 Sun 17 Jan 1960 Fri 22 Jan 1960 Wed 27 Jan 1960 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