Agree with all the pillow and nightguard /jaw clenching ideas. Also re sleep apnea, these things are weird but have helped me much more than Breathe Right nose strips- Zircon Nose Vents to Ease Breathing - https://www.amazon.com/dp/B08227MQL4/ref=cm_sw_r_cp_api_glt_fabc_9B3BKD3Y3WZX2SSBY5T0?_encoding=UTF8&psc=1