What causes numbness in the feet during lunch break?
Oct 12, 2022
Source: Cainiu Health
Dr. Yang Jun
Introduction
Foot numbness during a lunchtime nap may be caused by poor sleeping posture, napping for too long, or insufficient blood supply. Leaning on an armrest while sleeping can compress nerves, leading to symptoms such as numb feet during the nap. Excessively long naps increase the body's energy consumption, which may also result in foot numbness. Additionally, conditions such as cervical spondylosis can impair peripheral circulation in the limbs during rest, causing symptoms like foot numbness.
Generally, numbness in the feet during a noon nap may be caused by poor sleeping posture, excessively long napping duration, insufficient blood supply, or other factors.
1. Poor sleeping posture: During sleep, muscles throughout the body are usually in a relaxed state and blood circulation slows down, which helps reduce physical fatigue. However, falling asleep while sitting upright or lying on one side may compress nerves, leading to symptoms such as foot numbness, weakness, and feeling groggy during the nap.
2. Excessively long napping time: Napping typically consumes energy. If the nap is of high quality, mental and physical strength can be adequately restored. However, if the nap is too long, the body's energy expenditure increases, potentially causing increased drowsiness, general weakness, and numbness in the feet.
3. Insufficient blood supply: Conditions such as cervical spondylosis or shoulder periarthritis may lead to inadequate blood supply from the vertebral basilar artery, slowing blood circulation during a nap and weakening peripheral circulation in the limbs. This can result in symptoms such as dizziness, fatigue, and numb feet.
