An old class of antidepressants called tricyclics can make people lightheaded when they stand up (technically called orthostasis).

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Stewart gets foggy, or lightheaded, Girardi said.

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Afterward, you may feel lightheaded and tired.

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You get lightheaded and floaty being outside at that height, a bit like falling in love, which is probably why Empire is the scene ender in classic love stories like An Affair to Remember, Sleepless in Seattle (in homage to Affair) and King Kong (yes, it is a love story).

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