Experiencing restless nights, night sweats, or waking up anxious? High cortisol levels, triggered by chronic stress, could be the culprit, disrupting your sleep-wake cycle. Elevated cortisol can manifest in various ways, including difficulty falling asleep, vivid nightmares, and racing thoughts. Simple lifestyle adjustments like consistent sleep schedules, limiting caffeine, and stress-reducing practices can help regulate cortisol and improve sleep quality.