# Sleep Position Mouth > Back, side or stomach, position can affect breathing and drooling. What to try. A plain-English guide with practical steps. ## Guides - [Back Sleeping and an Open Mouth](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/back-sleeping-mouth-open/): Lying flat on your back lets the jaw and tongue relax, which makes it easier for the mouth to fall open as you sleep. - [Pillow Height and Breathing](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/pillow-height-breathing/): Pillow height changes the angle of your head and neck, which can affect how easily you breathe through your nose and how far your jaw falls open. - [Why Some People Drool at Night](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/drooling-causes/): Night drooling usually happens when saliva pools at the side of a relaxed mouth, often in side or stomach sleepers or when the nose is blocked. - [Using Bedroom Humidity](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/humidity-bedroom/): Dry bedroom air can make a dry mouth feel worse by morning, especially if you breathe through your mouth. - [A Glass of Water Beside the Bed](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/water-on-nightstand/): Keeping water on your nightstand is a simple way to ease a dry mouth when you wake up thirsty, and plain water is the sensible choice. ## About - [About Sleep Position Mouth](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://sleeping-position-and-dry-mouth.qivyponu.workers.dev/feed.xml)