It is possible for cervical spondylosis to affect sleep. Cervical spondylosis may have the following adverse effects on sleep: 1. During an attack of cervical spondylosis, there may be severe pain in the neck, head, upper extremities, shoulders and back, which may cause very serious distress and difficulty in falling asleep. 2. 3. Cervical spondylosis may induce vertigo. 4. Cervical spondylosis may cause tinnitus due to the stimulation of sympathetic nerves. At this time, patients often feel a continuous sound in their ears, which also affects the quality of sleep. Finally, cervical spondylosis may also cause symptoms of panic and palpitations in the chest, at which time the patient may also feel irritable and fearful, which in turn may affect sleep.