You can delete your history then disable history so YouTube won't store the videos you watch. Recommended videos are there based on other videos you've watched. Go to history and press or click where it says pause viewing history. I'd recommend to delete history before pausing it.
Ambien is the brand name for zolpidem, a drug that's used to treat insomnia. Insomnia is a sleep disorder that makes it difficult for you to go to sleep, stay asleep, or both. Ambien is in a class of drugs called sedative-hypnotics.
Zolpidem (originally marketed as Ambien and available worldwide under many brand names) is a sedative primarily used for the treatment of insomnia. It works quickly, usually within 15 minutes, and has a short half-life of two to three hours.