Please choose the correct ending to complete the given sentence: Health: [header] How to treat morning neck soreness and pain [title] Understand your pain scenario. [step] There can be many possibilities why someone might have ache in their neck area during the morning. These can be the possible causes : [substeps] Lack of good sleeping positions.

Ending1: You may have been sleeping on your stomach. It may take hours for your face to realign, causing soreness that may ease up to your forehead and chin. Ending2: Lack of ergonomic pillow and mattress. Lack of ergonomic positions throughout the day such as poor sitting and walking postures. Ending3: Too much activity may make the pain worse. Overnight sleeping is particularly important to the person suffering from morning neck soreness. Ending4: Being tired or upright also changes the position of the neck muscles. Pain from sleeping in an overly firm position is also considered an indication of morning soreness.

Answer format: ending1/ending2/ending3/ending4