Overnight splints are a frequent treatment for plantar fasciitis and are created to keep the foot in a dorsiflexed position while sleeping. This helps elongate the plantar fascia, Achilles ligament, and calf muscles, which can diminish early morning discomfort and promote healing. https://www.foothealthfriday.com/how-do-you-use-night-splints-for-plantar-fasciitis/