Described is a controlled-release formulation for treating disturbed sleep or insomnia in a subject. The formulation is formulated to release a compound or combination of compounds in sequence at multiple stages.一種用於在一個體中治療被干擾的睡眠或失眠的經控制的釋放配方被描述。該配方被配方以在複數個階段依序釋放一化合物或化合物的組合。