Please choose the correct ending to complete the given sentence: Health: [header] How to stop your eye or eyebrow from jumping [title] Rest your eyes. [step] Eye strain is also a common cause of twitching. Consider whether you have been spending too much time looking at a computer screen or reading.

Ending1: If you have been reading a lot, stop looking at your computer screen to take a break. If you have been studying for a test or meeting an acquaintance at a coffee shop, then you may have been taking too much time. Ending2: [substeps] Closing your eyes triggers feelings of tension. Squinting is the most common cause of twitching. Ending3: You can also experience eye strain if your prescription lenses need to be replaced. [substeps] Try to avoid using a computer for a little while, and perhaps consider purchasing glasses intended for computer screens. Ending4: If it is the latter, the strain of looking at a screen can be a factor in your situational awareness. Try to stay in your areas when you are distracted, ignoring things going on around you is better than you doing it right now.

Answer format: ending1/ending2/ending3/ending4