Morning headaches are not exactly my ideal way of starting the day, but they often come uninvited. While they can have various causes, I recently found out that my plush, soft pillow could be the real culprit. "If you notice that your headaches start or worsen after sleeping, or improve when you change pillows, that’s a strong indicator that your pillow may be a contributing factor," says Dr. Dustin DebRoy, manager of chiropractic education and relations at The Joint Chiropractic . Key takeaways: At a glance The wrong pillow can cause headaches: Uneven pillow support can lead to tension headaches. Your sleep posture matters: Proper neck and spinal alignment is crucial for good sleep quality. Three key reasons: Sustained muscle tension, joint compression and resultant poor sleep are three causes of tension headaches. Finding the 'one': Choosing a pillow depends on your sleep position, not its look and feel. Replacing is key: Changing your pillow every 1-2 years is important to maintain proper support.…