To take a shower — to wash oneself in a shower or to freshen up by showering. A common everyday expression.
朝はコーヒーを飲んでからシャワーを浴びる習慣がある。
In the morning I have a habit of drinking coffee and then taking a shower.
運動の後に汗を流すためシャワーを浴びた。
After exercising I took a shower to wash off the sweat.
外出前にすばやくシャワーを浴びて出かけた。
Before going out I took a quick shower and left.
夜にシャワーを浴びるとよく眠れる人もいる。
Some people sleep better when they take a shower at night.