![So I just got the mi band 4 yesterday. And tried sleep analysis . I have those 3 apps (mi fit,notify,sleep as Android) and they all put out different data . So So I just got the mi band 4 yesterday. And tried sleep analysis . I have those 3 apps (mi fit,notify,sleep as Android) and they all put out different data . So](https://preview.redd.it/g8u9lt9oemf31.jpg?auto=webp&s=4b6a8688803300c61668cb3991ac5a523ce3b34f)
So I just got the mi band 4 yesterday. And tried sleep analysis . I have those 3 apps (mi fit,notify,sleep as Android) and they all put out different data . So
Xiaomi シャオミ Mi Band 4 ミーバンド4 フィットネストラッカー スマートブレスレット Dark Blue(ダークブルー) 送料無料 (日本郵便) : su-ca4676d-jp : エムディトレードヤフー店 - 通販 - Yahoo!ショッピング
![my REM has always been zero is this normal? I've been using the band for 18 months (mi band 5) : r/miband my REM has always been zero is this normal? I've been using the band for 18 months (mi band 5) : r/miband](https://preview.redd.it/my-rem-has-always-been-zero-is-this-normal-ive-been-using-v0-33icmqnlevka1.png?width=640&crop=smart&auto=webp&s=44f9700a33b4995ecdef63f3131c1b0b88d0b939)
my REM has always been zero is this normal? I've been using the band for 18 months (mi band 5) : r/miband
![Why does the band never ever track REM sleep for naps? (I woke up super early so I wanted to catch up with sleep) : r/miband Why does the band never ever track REM sleep for naps? (I woke up super early so I wanted to catch up with sleep) : r/miband](https://preview.redd.it/lgpdy9rzla761.jpg?width=640&crop=smart&auto=webp&s=65ccbbdb6ddd04f6a9f3596e2fe1849870a4fb4f)
Why does the band never ever track REM sleep for naps? (I woke up super early so I wanted to catch up with sleep) : r/miband
![Xiaomi Mi Band 4: Smart Wristband, with Magnetic Snap Charge, 0.95” AMOLED Touch Screen, Fitness Tracker, 24Hr Heart Sleep REM Monitor, 50M Water Resistant - Dashlink Integrated Systems Xiaomi Mi Band 4: Smart Wristband, with Magnetic Snap Charge, 0.95” AMOLED Touch Screen, Fitness Tracker, 24Hr Heart Sleep REM Monitor, 50M Water Resistant - Dashlink Integrated Systems](https://dashlinkintegrated.com/wp-content/uploads/2020/11/Band-4.png)
Xiaomi Mi Band 4: Smart Wristband, with Magnetic Snap Charge, 0.95” AMOLED Touch Screen, Fitness Tracker, 24Hr Heart Sleep REM Monitor, 50M Water Resistant - Dashlink Integrated Systems
![DirectD Retail & Wholesale Sdn. Bhd. - Online Store. XIAOMI MIBAND 4 | Mi BAND 4 - ORIGINAL by XIAOMI MALAYSIA DirectD Retail & Wholesale Sdn. Bhd. - Online Store. XIAOMI MIBAND 4 | Mi BAND 4 - ORIGINAL by XIAOMI MALAYSIA](https://i01.appmifile.com/webfile/globalimg/products/pc/mi-band-4/band-11.jpg)
DirectD Retail & Wholesale Sdn. Bhd. - Online Store. XIAOMI MIBAND 4 | Mi BAND 4 - ORIGINAL by XIAOMI MALAYSIA
![Mi Smart Band 5 – India's No. 1 Fitness Band, 1.1-inch AMOLED Color Display, Magnetic Charging, 2 Weeks Battery Life, Personal Activity Intelligence (PAI), Women's Health Tracking - Delta Store Mi Smart Band 5 – India's No. 1 Fitness Band, 1.1-inch AMOLED Color Display, Magnetic Charging, 2 Weeks Battery Life, Personal Activity Intelligence (PAI), Women's Health Tracking - Delta Store](https://i0.wp.com/www.deltastore.in/wp-content/uploads/2020/12/81Kw2Z2SUFL._SL1500_.jpg?fit=1500%2C1500&ssl=1)
Mi Smart Band 5 – India's No. 1 Fitness Band, 1.1-inch AMOLED Color Display, Magnetic Charging, 2 Weeks Battery Life, Personal Activity Intelligence (PAI), Women's Health Tracking - Delta Store
![Mi Smart Band 4- India's No.1 Fitness Band, Up-to 20 Days Battery Life, Color AMOLED Full-Touch Scre and Earphone Basic with Ultra deep bass & mic (Blue) : Amazon.in: Sports, Fitness & Mi Smart Band 4- India's No.1 Fitness Band, Up-to 20 Days Battery Life, Color AMOLED Full-Touch Scre and Earphone Basic with Ultra deep bass & mic (Blue) : Amazon.in: Sports, Fitness &](https://m.media-amazon.com/images/I/71mTuiy47ZL.jpg)