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wake up on the wrong side of (the) bed
To be in a particularly and persistently irritable, unhappy, or grouchy mood or state, especially when it is not in line with one's normal disposition. I'm sorry I snapped at you earlier, I think I just woke up on the wrong side of the bed today. Jeez, the boss has been in a really bad mood all day. I guess he must have woken up on the wrong side of bed!
wake up to (something)
To become alert to or aware of something, especially something that needs to be recognized as a problem. You need to wake up to what's happening instead of ignoring the situation. If this country doesn't wake up to the hatred that's among us, we're going to have a bleak future.
1. To awaken from sleep. I dreamt I was falling through a floor made of macaroni and cheese, when I suddenly woke up. I'm finding it harder and harder to wake up this early in the morning.
2. To cause someone to awaken from sleep. In this usage, a noun or pronoun can be used between "wake" and "up." I had to wake him up because his snoring had gotten so bad in the night. I have to have a cup of coffee in the morning to help wake me up. Go wake up your brother—we're leaving soon!
3. To become alert to or aware of something, especially something that needs to be recognized as a problem. The board of directors refuses to see the imminent danger facing the company. At this point, it will take a financial disaster to make them to wake up. You need to wake up to what's happening instead of ignoring the situation.
4. To cause someone to become alert to or aware of something, especially something that needs to be recognized as a problem. In this usage, a noun or pronoun is used between "wake" and "up." We're trying to wake people up to the horrible reality of global meat production. If investors were feeling complacent before, this earnings report ought to wake them up.
wake (someone or an animal) up
to cause someone or an animal to awaken. Please don't wake me up until noon. Wake up your brother at noon.
wake someone up (to something)
to cause someone to become alert and pay attention. (Does not refer to someone actually asleep.) We tried to wake them up to the dangers. Try to wake up the students to their responsibilities.
to awaken; to become alert. Wake up! We have to get on the road. It's time to wake up!
1. To rouse someone or something from sleep; awaken someone or something: Be quiet, or you will wake up the baby. The alarm woke me up.
2. To become awake; waken: I plan to wake up early tomorrow.
3. To make someone alert or cognizant: The coffee woke me up. The shocking revelations finally woke up the citizens.
4. wake up to To become alert or cognizant of something: We suddenly woke up to the fact that the family business was failing.