Here are some commonly used homeopathic remedies for insomnia (lack of proper sleep): Coffea Cruda – For sleeplessness due to overactive mind, excitement, or excessive joy; thoughts keep racing. Nux Vomica – For insomnia caused by stress, overwork, stimulants (coffee, alcohol), or digestive issues; person wakes up around 3–4 a.m. and can’t fall asleep again. Arsenicum Album – For anxious, restless people who wake up after midnight with fear or worry. Sulphur – For those who sleep lightly, wake up frequently, and feel hot in bed. Passiflora Incarnata – A gentle remedy for nervous sleeplessness, especially in children or elderly. Ignatia Amara – For insomnia due to grief, emotional upset, or sadness.