Alluna Sleep  
   A herbal supplement that claims to relieve occasional sleeplessness.
   http://www.allunasleep.com

Sleep Machines  
   Digitally recorded white noise CDs, eye shades, aromatherapy, and other items designed to put one to sleep.
   http://www.sleepmachines.com

Sleep Master  
   Sound-masking sleep mask.
   http://www.sleepmaster.bigstep.com

Marpac Corporation  
   Sound conditioners that may mask out irritating sounds like snoring companions and noisy neighbours.
   http://www.marpac.com

Complete Sleep Systems  
   Offers a sleep mask designed to block light and noise.
   http://www.hibermate.com

Pure White Noise  
   White noise CDs
   http://www.purewhitenoise.com

Sleepplace  
   No more sleepless nights and the Sleep Timer.
   http://www.sleepplace.com

Dream Essentials  
   Range of products to promote relaxation and sleep, including eye masks and windchimes.
   http://www.dreamessentials.com

Sleepwell Program  
   Audio tape with guided exercises. Also offers general information, including a section for shift workers.
   http://www.sleepwellprogram.com