Enjoy a totally refreshing nap in 30 minutes. Verbal guidance and Hemi-Sync® provide you with a unique opportunity to obtain deeply restorative rest. Benefit from Catnappers proven effectiveness during work or study breaks or to re-energize for the evening. Catnapper is also effective for countering the effects of jet lag, coping with irregular schedules, or as the ultimate pick-me-up anytime. A Hemi-Sync® classic voiced by Robert Monroe.