जम्हाई क्यों आती है? जानिए इसका साइंस

दिमाग को ठंडक देने के लिए

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ऑक्सीजन की कमी

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थकान या बोरियत

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दूसरों को देखकर

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नींद का इशारा

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Nia Sharma जैसी ग्लोइंग स्किन के लिए रोज पिएं ये हेल्दी जूस हार्दिक पांड्या की IPL की 5 सबसे धुआंधार पारियाँ 48 घंटे की नींद नहीं? जानिए असर क्यों हमेशा समुद्र में उफनती रहती हैं लहरें? और भी वेब स्टोरीज़ पढ़ें Dainik Diary

जम्हाई क्यों आती है? जानिए इसका साइंस

दिमाग को ठंडक देने के लिए

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जम्हाई लेने से मुंह खुलता है और ठंडी हवा अंदर जाती है, जिससे दिमाग ठंडा होता है।

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ऑक्सीजन की कमी

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जब शरीर में ऑक्सीजन कम और कार्बन डाइऑक्साइड ज़्यादा हो जाती है, तो जम्हाई आती है।

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थकान या बोरियत

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लंबे समय तक एक जैसे माहौल में रहने या थकने पर दिमाग अलर्ट रहने के लिए जम्हाई लाता है।

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दूसरों को देखकर

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जम्हाई संक्रामक होती है — अगर कोई सामने जम्हाई लेता है, तो हमें भी आने लगती है।

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नींद का इशारा

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जम्हाई शरीर को संकेत देती है कि अब सोने या आराम करने का समय हो गया है।

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