Alopecia areata, once showing new fuzz, usually takes three to six months to return to normal. The appearance of fuzz indicates that the alopecia areata is in the recovery phase. In the early recovery stage, lighter-colored fuzz will grow in the area where hair was lost, and this fuzz will gradually turn into normal hair. During the active phase of alopecia areata, there will be noticeable hair loss, while in the dormant phase, the hair loss will stop. Three to four months after the dormant phase, most patients enter the recovery phase, reaching the stage where this small fuzz appears. Hence, the appearance of such fuzz signifies that the alopecia areata is nearing recovery, and new hair will grow during this phase. There are many causes of alopecia areata; it is important to avoid staying up late regularly.