题目内容：

    Bringing tech into the bedroom can be more harmful than helpful. Glancing at your phone before hitting the bed may be distracting and, more important, the blue light its screen emits is known to make falling asleep more difficult. But that’s not true for all gadgets. These smart-home devices want to invade your bedroom with the aim of improving your sleep.

Muse Headband, $249 Falling asleep can be more difficult than staying asleep. With its headband, Muse hopes to train the brain to handle stress more efficiently, making it easier to relax. The gadget uses sensors to measure brain activity and then feeds that data to an app that guides you through meditation exercises. A number of less expensive or free meditation apps attempt to do much of the same without the headband.

Here One Smart Earbuds, $299.99 Sometimes earplugs or the sound of the TV isn’t enough to drown out a partner’s snoring. Earbuds like these can help by allowing you to progressively drown out the volume of the world around you. And if you typically need white noise to fall asleep, you can turn on a filter for that type of sound through the accompanying app.

Apple Iphone, $399-$769 Staring at the blue light coming from your phone before bed can lower your body’s efficiency to produce melatonin, the hormone that affects circadian rhythms. Apple’s Night Shift feature lessens this effect by making the display colors look warmer to reduce blue light. It can also remind you to get to bed at the same time to even out your sleep habits.

S+sleep Monitor, $129.99 Many devices that track sleep require special sensors worn on the body or embedded in a mattress. ResMed’s S+claims to monitor without making physical ontact. Instead, it uses motion-detection tehnology to pick up your tosses and turns throughout the night. It can also assess whether the temperature and lighting conditions in your room are

 

 

1.All the following gadgets help you with sleep with body contact EXCEPT ________.

A.Muse Headband B.Here One Smart Earbuds

C.Apple Iphone D.S+sleep Monitor

2.What is NOT true about blue light?

A.Frequent use of cell phones leads to much emission of blue light.

B.It makes it harder for your body to produce an essential chemical.

C.The Night Shift feature can probably reduce the emission of blue light.

D.Blue light reminds you to get to bed and regulates your sleep.

3.What’s the best title for the passage?

A.Sleep, something well deserved

B.Sleep, your name is gadget

C.Sleep, a mission made impossible

D.Sleep, highly dependent on tech