1. Action-W. User's Guide, Version 2.0. (2000). Ambulatory Monitoring, Inc., 731 Saw Mill River Road Ardsley, New York 10502. www.ambulatory-monitoring.com.
2. Soundscape support to health;Berglund,2004
3. Health effects of noise on children;Bistrup,2001
4. Automatic sleep/wake identification from wrist activity;Cole;Sleep,1992
5. Eberhardt, J. (1987). The disturbance of sleep of prepubertal children by road traffic noise as studied in the home. In: The influence on sleep of noise and vibrations caused by road traffic noise, Doctoral thesis. Sweden: Institute of Environmental Health Lund University, ISBN: 91-7900-333-8