You will guard him and keep him in perfect and constant peace whose mind [both its inclination and its character] is stayed on You, because he commits himself to You, leans on You, and hopes confidently in You. —Isaiah 26:3 What is it about nighttime that makes us more vulnerable to satanic attack? Is it because daylight is gone and it’s dark? Is there some kind of association between evil and the dark hours of night? We are usually able to cope with whatever happens to us during the day, but sometimes it’s a different story at night. My theory is that by evening, most of us are tired and weary, and we just want to lie down, close our eyes, and drift into peaceful sleep. That is one of Satan’s favorite times to engage us in the battle for our minds. He knows that when we are exhausted and sleepy, we are not as resistant to his attacks. And just as we are about to drop off to sleep, he makes his move. If we recognize that we’re more susceptible to the attack...