The benefits of peppermint tea include easing digestion issues such as bloating, indigestion, and abdominal pain; helping to unclog sinuses and relieve sinus pressure due to its antibacterial and anti-inflammatory properties; reducing nausea and vomiting; boosting energy without caffeine; relieving tension headaches and migraines; aiding weight loss by reducing hunger and increasing metabolism; and freshening breath thanks to natural antibacterial effects. It is caffeine-free, making it a sleep-friendly option. However, it may worsen symptoms for those with GERD, heartburn, or kidney stones and can cause allergic reactions in sensitive individuals.